// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

// CMMSACCOUNT.cpp

// 

//

#include <centralrepository.h>

#include <cmmsaccounts.h>

#include <cmmssettings.h>

#include <mmmssettingsobserver.h>

const TUint32 KNullId = 0x00000000; 

const TUid KMMSRepositoryUid = {0x10202D4C};

const TInt KMaxSettingLength = 256;

const TInt KMmsSettingsVersion = 1;

const TUint32 KIncrementAccount = 0x00100000;

const TInt KShiftAccountId = 20;

const TUint32 KInitialiseSettings = 0x00000000; // Initial settings are in account 0

const TUint32 KAccountMask = 0x800FFFFF; 

const TUint32 KMaximumAccounts = 0x80000000; 

const TUint32 KDefaultAccountId = 0x80000003; 

/** 

Allocates and constructs an MMS account object.

Initialises all member data to their default values.

@return

The newly constructed MMS account object.

*/

EXPORT_C CMmsAccounts* CMmsAccounts::NewL()

	{

	CMmsAccounts* self = CMmsAccounts::NewLC();

	CleanupStack::Pop(self);	

	return self;

	}

/** 

Allocates and constructs an MMS account object.

Initialises all member data to their default values.

@return

The newly constructed MMS account object.

*/

EXPORT_C CMmsAccounts* CMmsAccounts::NewLC()

	{

	CMmsAccounts* self = new (ELeave) CMmsAccounts();

	CleanupStack::PushL(self);

	self->ConstructL();

	return self;

	}

/**

Second phase construction.

*/

void CMmsAccounts::ConstructL()

	{

	iRepository = CRepository::NewL(KMMSRepositoryUid);

	}

/**

Constructor.

*/

CMmsAccounts::CMmsAccounts()

: CActive(CActive::EPriorityStandard)

	{

	CActiveScheduler::Add(this);

	}

/** 

Destructor. 

*/

EXPORT_C CMmsAccounts::~CMmsAccounts()

	{

	Cancel();

	iObservers.Close();

	delete iRepository;

	}

void CMmsAccounts::DoCancel()

	{

	// cancel request to the repository

	iRepository->NotifyCancel(KNullId, KNullId);

	}	

void CMmsAccounts::RunL()

	{

	// Notify all observers

	for(TInt i=iObservers.Count()-1; i>=0; --i)

      	{

     	iObservers[i]->HandleNotify(MMmsSettingsObserver::ESettingsUpdated);

      	}

    // Re-issue notification request  	

	User::LeaveIfError(iRepository->NotifyRequest(KNullId, KNullId, iStatus));

	SetActive();

	}	

/** 

Registers a new MMS Settings observer. 

@param aObserver 

A reference to an observer to be registered for events 

*/	

EXPORT_C void CMmsAccounts::AddObserverL(MMmsSettingsObserver& aObserver)

	{

	iObservers.AppendL(&aObserver);

	if (IsActive() == EFalse)

		{

		// Issue notification request

		User::LeaveIfError(iRepository->NotifyRequest(KNullId, KNullId, iStatus));

		SetActive();

		}

	}

/** 

Deregisters a previously registered observer. 

@param aObserver

A reference to an observer to be unregistered for events 

*/	

EXPORT_C void CMmsAccounts::RemoveObserver(MMmsSettingsObserver& aObserver)

	{

	TInt i = iObservers.Find(&aObserver);

    __ASSERT_ALWAYS(i>=0, User::Invariant());

    iObservers.Remove(i);

    if (iObservers.Count() <= 0)

    	{

		Cancel();    	

    	}

	}

/**

Creates a MMS Account.

@param	aAccountName

MMS account Name

@param	aSettings

MMS Settings

@return

MMS Account Id

*/	

EXPORT_C TMmsAccountId CMmsAccounts::CreateMMSAccountL(const TDesC& aAccountName, const CMmsSettings& aSettings)

	{

	// Get the number of accounts exist in CenRep

	RArray<TUint32> accountIds;	

	CleanupClosePushL(accountIds);	

	TInt error = iRepository->FindL(KNullId, static_cast<TUint32>(KAccountMask), accountIds);

	if (error != KErrNotFound)

		{

		User::LeaveIfError(error);

		}

	TInt accountsCount = accountIds.Count() - 1; // ignoring the default account

	CleanupStack::PopAndDestroy(&accountIds);				

	if (accountsCount >= MaxMMSAccounts())

		{

		// Can't create any more accounts

		User::Leave(KErrOverflow);

		}

	TUint32 accountId = 0;

	accountId = GetNextEmptyAccountSlotL();

	DoSaveSettingsL(accountId, aSettings, aAccountName);

	TMmsAccountId account;

	account.iMmsAccountId = accountId >> KShiftAccountId; 

	account.iMmsAccountName = aAccountName; 			

	return account;				

	}

TUint CMmsAccounts::GetNextEmptyAccountSlotL()

	{

	TUint32 accountId = KNullId;

	TBuf<KMmsAccountNameSize> accountName;	

	TInt error = 0;

	TBool found = EFalse;

	TInt maximumAccount = MaxMMSAccounts();

	for (TInt count = 0; count < maximumAccount; ++count)

		{		

		accountId = accountId + KIncrementAccount;

		error = iRepository->Get(accountId + EMmsAccountName, accountName);		

		if (error == KErrNotFound)

			{

			found = ETrue;				

			break;

			}

		else

			{

			User::LeaveIfError(error);

			}

		}

	if (found == EFalse)

		{

		// No empty slot available		

		User::Leave(KErrNotFound);

		}

	return accountId;

	}

/**

Maximum number of accounts that can be stored in the Central Repository

@return

The maximum number of accounts

*/		

EXPORT_C TInt CMmsAccounts::MaxMMSAccounts()

	{

	TInt maxAccounts = 0;

	TInt error = iRepository->Get(KMaximumAccounts, maxAccounts);

	if(error != KErrNone)

		{

		 return error;

		}

	return maxAccounts;		

	}

/**

Gets a list of MMS account IDs stored in the Central Repository.

Any existing entries in the array will be deleted.

@param	aAccountIds

A list if MMS account Ids

*/                   

EXPORT_C void CMmsAccounts::GetMMSAccountsL(RArray<TMmsAccountId>& aAccountIds) const

	{

    CleanupClosePushL( aAccountIds );

	aAccountIds.Reset();

	RArray<TUint32> accountIds;	

	CleanupClosePushL(accountIds);	

	TInt error = iRepository->FindL(KNullId, static_cast<TUint32>(KAccountMask), accountIds);

	if (error != KErrNotFound)

		{

		User::LeaveIfError(error);

		}

	TMmsAccountId accountId;

	TInt count = accountIds.Count();

	for(TInt i = 1; i < count; ++i)

		{

		TUint32 settingId = accountIds[i];

		User::LeaveIfError(iRepository->Get(settingId + EMmsAccountName, accountId.iMmsAccountName));	

		accountId.iMmsAccountId = accountIds[i] >> KShiftAccountId;

		aAccountIds.AppendL(accountId);		

		}

	CleanupStack::PopAndDestroy(&accountIds);

	CleanupStack::Pop(&aAccountIds);  // aAccountIds

	}

/**

Deletes the specified MMS account.

@param	aAccountId

MMS account Id

*/    	

EXPORT_C void CMmsAccounts::DeleteMMSAccountL(const TMmsAccountId& aAccountId)

	{

	TUint32 accountId = aAccountId.iMmsAccountId << KShiftAccountId;

	// Read in proxy and napId counts

	TInt proxyCount = 0;

	User::LeaveIfError(iRepository->Get(accountId + EMmsProxyCount, proxyCount));				

	TInt napIdCount = 0;

	User::LeaveIfError(iRepository->Get(accountId + EMmsNapIdCount, napIdCount));				

	// Delete account

	User::LeaveIfError(iRepository->StartTransaction(CRepository::EReadWriteTransaction));						

	iRepository->CleanupRollbackTransactionPushL();

	iRepository->Delete(accountId + EMmsAccountName);	

	iRepository->Delete(accountId + EMmsSettingsVersion);	

	iRepository->Delete(accountId + EMmsApplicationID);	

	iRepository->Delete(accountId + EMmsAddress);	

	iRepository->Delete(accountId + EMmsCreationMode);

	iRepository->Delete(accountId + EMmsSettingsFlags);

	iRepository->Delete(accountId + EMmsProxyCount);

	TUint32 proxyId = accountId + EMmsProxyList;

	for(TInt loop=0; loop < proxyCount; ++loop)

		{

		iRepository->Delete(proxyId);			

		++proxyId;

		}

	iRepository->Delete(accountId + EMmsNapIdCount);		

	TUint32 napId = accountId + EMmsNapIdList;

	for(TInt loop=0; loop < proxyCount; ++loop)

		{

		iRepository->Delete(napId);			

		++napId;

		}

	iRepository->Delete(accountId + EMmsAutomaticDownload);	

	iRepository->Delete(accountId + EMmsValidityPeriod);	

	iRepository->Delete(accountId + EMmsMaxDownloadSize);	

	iRepository->Delete(accountId + EMmsMaxDownloadRetries);	

	iRepository->Delete(accountId + EMmsDownloadRetryInterval);	

	iRepository->Delete(accountId + EMmsMaxSendMsgSize);	

	iRepository->Delete(accountId + EMmsDeviceContentClass);	

	iRepository->Delete(accountId + EMmsMaxImageHeight);	

	iRepository->Delete(accountId + EMmsMaxImageWidth);	

	CleanupStack::Pop();

	TUint32 errorId = 0;

	User::LeaveIfError(iRepository->CommitTransaction(errorId));

	}

/**

Loads MMS settings from the Central Repository for the specified account Id. 

@param	aAccountId

MMS account Id

@param	aSettings

MMS settings

*/	     

EXPORT_C void CMmsAccounts::LoadSettingsL(const TMmsAccountId& aAccountId, CMmsSettings& aSettings)

	{

	TUint32 accountId = aAccountId.iMmsAccountId << KShiftAccountId;		

	DoLoadSettingsL(accountId, aSettings);

	}

void CMmsAccounts::DoLoadSettingsL(TUint32 aAccountId, CMmsSettings& aSettings)

	{				

	TInt temp = 0;

	User::LeaveIfError(iRepository->Get(aAccountId + EMmsApplicationID, temp));	

	aSettings.SetApplicationID(temp);

	TBuf<KMaxSettingLength> tempBuff;

	User::LeaveIfError(iRepository->Get(aAccountId + EMmsAddress, tempBuff));	

	aSettings.SetAddressL(tempBuff);	

	User::LeaveIfError(iRepository->Get(aAccountId + EMmsCreationMode, temp));	

	aSettings.SetCreationModeL(static_cast<TCreationMode>(temp));

	User::LeaveIfError(iRepository->Get(aAccountId + EMmsSettingsFlags, temp));

	aSettings.SetMmsSettingsFlags(static_cast<TUint32>(temp));

	User::LeaveIfError(iRepository->Get(aAccountId + EMmsProxyCount, temp));	

	TInt count = temp;

	aSettings.RemoveAllProxies();

	TUint32 proxyId = aAccountId + EMmsProxyList;	

	for(TInt loop=0; loop < count; ++loop)

		{

		User::LeaveIfError(iRepository->Get(proxyId, temp));

		aSettings.AddProxyL(TUid::Uid(temp));   			

		++proxyId;

		}

	User::LeaveIfError(iRepository->Get(aAccountId + EMmsNapIdCount, count));	

	aSettings.RemoveAllNapIds();

	TUint32 napId = aAccountId + EMmsNapIdList;	

	for(TInt loop=0; loop < count; ++loop)

		{

		User::LeaveIfError(iRepository->Get(napId, temp));

		aSettings.AddNapIdL(TUid::Uid(temp));   			

		++napId;

		}

	User::LeaveIfError(iRepository->Get(aAccountId + EMmsAutomaticDownload, temp));	

	aSettings.SetAutomaticDownload(static_cast<TAutomaticDownloadOptions>(temp));

	User::LeaveIfError(iRepository->Get(aAccountId + EMmsValidityPeriod, temp));	

	aSettings.SetValidityPeriod(temp);

	User::LeaveIfError(iRepository->Get(aAccountId + EMmsMaxDownloadSize, temp));	

	aSettings.SetMaxDownloadSize(temp);

	User::LeaveIfError(iRepository->Get(aAccountId + EMmsMaxDownloadRetries, temp));	

	aSettings.SetMaxDownloadRetries(temp);

	User::LeaveIfError(iRepository->Get(aAccountId + EMmsDownloadRetryInterval, temp));	

	aSettings.SetDownloadRetryInterval(temp);

	User::LeaveIfError(iRepository->Get(aAccountId + EMmsMaxSendMsgSize, temp));	

	aSettings.SetMaxSendMsgSize(temp);

	User::LeaveIfError(iRepository->Get(aAccountId + EMmsDeviceContentClass, temp));	

	aSettings.SetDeviceContentClass(temp);

	User::LeaveIfError(iRepository->Get(aAccountId + EMmsMaxImageHeight, temp));	

	aSettings.SetMaxImageHeight(temp);

	User::LeaveIfError(iRepository->Get(aAccountId + EMmsMaxImageWidth, temp));	

	aSettings.SetMaxImageWidth(temp);	

	}

/**

Populates the supplied setting object with default values.

@param	aSettings

MMS Setting

*/	

EXPORT_C void CMmsAccounts::PopulateDefaultSettingsL(CMmsSettings& aSettings)

	{

	DoLoadSettingsL(KInitialiseSettings, aSettings);		

	}

/**

Saves MMS settings to the Central Repository for the specified account Id. 

@param	aAccountId

MMS account Id

@param	aSettings

MMS settings

*/

EXPORT_C void CMmsAccounts::SaveSettingsL(const TMmsAccountId& aAccountId, const CMmsSettings& aSettings) const

	{

	TUint32 accountId = aAccountId.iMmsAccountId << KShiftAccountId;

	DoSaveSettingsL(accountId, aSettings, aAccountId.iMmsAccountName);

	}

void CMmsAccounts::DoSaveSettingsL(TUint32 aAccountId, const CMmsSettings& aSettings, const TDesC& aAccountName) const

	{

	User::LeaveIfError(iRepository->StartTransaction(CRepository::EReadWriteTransaction));

	iRepository->CleanupRollbackTransactionPushL();

	// Update account name

	iRepository->Set(aAccountId + EMmsAccountName, aAccountName);

	iRepository->Set(aAccountId + EMmsSettingsVersion, KMmsSettingsVersion); 	

	iRepository->Set(aAccountId + EMmsApplicationID, aSettings.ApplicationID());

	iRepository->Set(aAccountId + EMmsAddress, aSettings.Address());

	iRepository->Set(aAccountId + EMmsCreationMode, static_cast<TInt>(aSettings.CreationMode()));	

	iRepository->Set(aAccountId + EMmsSettingsFlags, static_cast<TInt>(aSettings.MmsSettingsFlags()));	

	iRepository->Set(aAccountId + EMmsProxyCount, aSettings.ProxyCount());

	TUint32 proxyId = aAccountId + EMmsProxyList;	

	for(TInt loop=0; loop < aSettings.ProxyCount(); ++loop)

		{

		iRepository->Set(proxyId, static_cast<TInt>(aSettings.GetProxy(loop).iUid));

		++proxyId;

		}

	iRepository->Set(aAccountId + EMmsNapIdCount, aSettings.NapIdCount());

	TUint32 napId = aAccountId + EMmsNapIdList;	

	for(TInt loop=0; loop < aSettings.NapIdCount(); ++loop)

		{

		iRepository->Set(napId, static_cast<TInt>(aSettings.GetNapId(loop).iUid));

		++napId;

		}

	iRepository->Set(aAccountId + EMmsAutomaticDownload, static_cast<TInt>(aSettings.AutomaticDownload()));

	iRepository->Set(aAccountId + EMmsValidityPeriod, aSettings.ValidityPeriod());

	iRepository->Set(aAccountId + EMmsMaxDownloadSize, aSettings.MaxDownloadSize());

	iRepository->Set(aAccountId + EMmsMaxDownloadRetries, aSettings.MaxDownloadRetries());

	iRepository->Set(aAccountId + EMmsDownloadRetryInterval, aSettings.DownloadRetryInterval());

	iRepository->Set(aAccountId + EMmsMaxSendMsgSize, aSettings.MaxSendMsgSize());

	iRepository->Set(aAccountId + EMmsDeviceContentClass, aSettings.DeviceContentClass());

	iRepository->Set(aAccountId + EMmsMaxImageHeight, aSettings.MaxImageHeight());

	iRepository->Set(aAccountId + EMmsMaxImageWidth, aSettings.MaxImageWidth());

	CleanupStack::Pop();

	TUint32 errorId = 0;

	User::LeaveIfError(iRepository->CommitTransaction(errorId));	

	}

/**

Gets the default MMS account.

@return

The default account

@leave 

KErrNotFound If the default account not been set previously or if MMSSettings for 

             the default account does not exist in the Central Repository.

*/

EXPORT_C TMmsAccountId CMmsAccounts::DefaultMMSAccountL( ) const

	{

	TMmsAccountId account;

	User::LeaveIfError(iRepository->Get(KDefaultAccountId, account.iMmsAccountId));

	TUint32 accountId = account.iMmsAccountId << KShiftAccountId;		

	User::LeaveIfError(iRepository->Get(accountId + EMmsAccountName, account.iMmsAccountName));	

	return account;	

	}

/**

Sets the default MMS account.

@param	aDefaultAccount

Account to be set as default

*/		

EXPORT_C void CMmsAccounts::SetDefaultMMSAccountL(const TMmsAccountId& aDefaultAccount)

	{

	iRepository->Set(KDefaultAccountId, aDefaultAccount.iMmsAccountId);

	}